Improved: Specify that the component dependencies are never ‘null’

(OFBIZ-11238)


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/ofbiz-framework/trunk@1868029 13f79535-47bb-0310-9956-ffa450edef68

framework/base/src/main/java/org/apache/ofbiz/base/component/ComponentConfig.java

@@ -288,7 +288,7 @@ private ComponentConfig(Builder b) {
         this.enabled = b.enabled;
         this.resourceLoaderInfos = b.resourceLoaderInfos;
         this.classpathInfos = b.classpathInfos;
-        this.dependsOnInfos = b.dependsOnInfos;
+        this.dependsOnInfos = (b.dependsOnInfos == null) ? Collections.emptyList() : b.dependsOnInfos;
         this.entityResourceInfos = b.entityResourceInfos;
         this.serviceResourceInfos = b.serviceResourceInfos;
         this.testSuiteInfos = b.testSuiteInfos;
@@ -508,6 +508,11 @@ public String getGlobalName() {
         return this.globalName;
     }
 
+    /**
+     * Provides the list of dependent components.
+     *
+     * @return an immutable list containing the dependency information.
+     */
     public List<DependsOnInfo> getDependsOn() {
         return this.dependsOnInfos;
     }